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Amazon patents new design which could mean drones can be hailed like cabs

The design submitted to the US Patent Office Photo: US Patent Office

We're used to hailing a cab or a bus - soon we could be gesturing for delivery drones.

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Under a new patent granted by the US Patent office, Amazon has been granted a design for a new drone which recognises gestures like waving. It would also understand audible cues like shouts and whistles.

Scientists in Cambridge have already played a leading role in developing these new technologies.